PQ - French, Italian, Spanish, Portuguese Literature 1,032,263
PL - Eastern Asia, Africa, Oceania 733,627
PN - General Literature 688,486
PR - English Literature 611,218
PS - American Literature 505,709
PG - Slavic, Baltic, Abanian Languages 459,881
PT - European, Asian and African Literature 393,597
PK - Indo-Iranian 298,996
PJ - Oriental 290,984
PZ - Fiction 203,088
PA - Latin and Greek 189,617
P - Philology and Linguistics 152,030
PC - Romanic Languages 97,717
PE - English Languages 56,564
PH - Uralic, Basque Languages 37,649
PF - West Germanic Languages 29,704
PM - Hyperborean, Indian, and Artificial Languages 19,027
PB - Modern and Celtic Languages 14,486
PD - Germanic Languages 12,408
B - Philosophy 5
AS - Academies 1
C - General History 1
DK - Russia, Soviet Union, Former Soviet Republics, Poland 1
DS - Asia 1
E - United States History 1
F - General American History 1
HD - Industries, Land Use, Labor 1
N - Visual Arts 1
SD - Forestry 1